<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    .hello {
      background-color: aqua;
    }
  </style>
</head>
<body>


<div id="app">
<!--  <h1 v-bind:class="msg">{{msg}}</h1>-->
<!--  <h1 :class="msg">{{msg}}</h1>-->
<!--  <h1>{{ msg }}</h1>-->
<!--  <h1 v-html="msg"></h1>-->
<!--  <h1 v-once>{{ msg }}</h1>-->
<!--  <input type="text" :disabled="isDisabled">-->
<!--  <h1>{{ msg.toUpperCase() + '123' }}</h1>-->
</div>


<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>

  const app = new Vue({
    el: '#app',
    data: {
      // msg: 'hello vue!!!',
      // msg: '<em>hello vue</em>',
      msg: 'hello vue',
      list: ['a', '123', 'apple'],
      isShow: false,
      isDisabled: false,
    },

  })

</script>

</body>
</html>
